Home / 1,014,385.20-1,520,994.60-304,306.80

Finding the Fourth Proportional to 1,014,385.20, 1,520,994.60 and 304,306.80

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Solution

The fourth proportional to 1,014,385.20, 1,520,994.60 and 304,306.80 is: 456,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,385.20 : 1,520,994.60 = 304,306.80 : x
  2. Step 2: Convert to fraction form
    1,014,385.20/1,520,994.60 = 304,306.80/x
  3. Step 3: Cross multiply
    1,014,385.20x = 1,520,994.60 × 304,306.80
  4. Step 4: Simplify right side
    1,014,385.20x = 462,848,999,543.28
  5. Step 5: Solve for x
    x = 462,848,999,543.28/1,014,385.20
  6. Step 6: Final answer
    x = 456,285.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.